D. Ronald Reagan signed the law creating the Martin Luther King holiday.
It protects the innocents from harm
During the 1800s and 1900s, the advancement of technology changes the way we do our daily activity
The same thing happen in our current period. The development of technologies and the advance of internet allow us to do a lot of remote jobs that we're unable to do before
hope this helps
President Roosevelt wanted to build a canal in panama so he could ship goods quickly and cheaply between the Atlantic and Pacific coasts.